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Vintage fire alarm at the Dakota
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SpectrAlert strobe at Sears
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SpectrAlert Advance horn/strobe [02]
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SpectrAlert Advance horn/strobe [01]
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Siren on Eastwick Library in Philadelphia [05]
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Siren on Eastwick Library in Philadelphia [04]
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Siren on Eastwick Library in Philadelphia [03]
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Siren on Eastwick Library in Philadelphia [02]
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Siren on Eastwick Library in Philadelphia [01]
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Siren in Highspire, Pennsylvania [02]
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Siren in Highspire, Pennsylvania [01]
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Siren at Fairfield Fire & EMS [02]
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Siren at Fairfield Fire & EMS [01]
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Siren along Church Street [02]
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Siren along Church Street [01]
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Simplex pull station at 223 Walnut Street [06]
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Simplex pull station at 223 Walnut Street [05]
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Simplex pull station at 223 Walnut Street [04]
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Simplex pull station at 223 Walnut Street [03]
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Simplex pull station at 223 Walnut Street [02]
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Simplex pull station at 223 Walnut Street [01]
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Sign for Interstate 70 eastbound
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Rest area and welcome center in Great Bend, Pennsylvania [06]
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Rest area and welcome center in Great Bend, Pennsylvania [05]
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Rest area and welcome center in Great Bend, Pennsylvania [04]
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Rest area and welcome center in Great Bend, Pennsylvania [03]
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Rest area and welcome center in Great Bend, Pennsylvania [02]
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Rest area and welcome center in Great Bend, Pennsylvania [01]
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Radionics pull station at Martin's
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Public address speakers and fire alarm strobes at Greensboro station
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PTC-owned section of abandoned Pennsylvania Turnpike
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New public address speaker at Pentagon City [02]
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New public address speaker at Pentagon City [01]
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Interstate 83 Business Loop shield [06]
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Interstate 83 Business Loop shield [05]
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Interstate 83 Business Loop shield [04]
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Interstate 83 Business Loop shield [03]
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Interstate 83 Business Loop shield [02]
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Interstate 83 Business Loop shield [01]
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Interchange between Interstate 70 and US 40 in Washington, Pennsylvania [02]
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Interchange between Interstate 70 and US 40 in Washington, Pennsylvania [01]
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Installation of new PA system at Pentagon City
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Honda HR-V at Gateway Travel Plaza
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Handwritten sign on a speaker
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Gateway Travel Plaza [04]
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Gateway Travel Plaza [03]
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Gateway Travel Plaza [02]
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Gas pump boot screen
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [03]
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [02]
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [01]
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Gamewell fire alarm telegraph box at 30 Center Square [02]
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Gamewell fire alarm telegraph box at 30 Center Square [01]
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Gamewell fire alarm telegraph box at 16 Baltimore Street [02]
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Gamewell fire alarm telegraph box at 16 Baltimore Street [01]
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Fleet of the Future Expo [23]
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Fire-Lite BG-12 at Phantom Fireworks
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Fire alarm pull station at the Courtyard by Marriott Philadelphia Langhorne
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Fire alarm pull station at Geisinger Community Medical Center [02]
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Fire alarm pull station at Geisinger Community Medical Center [01]
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Fire alarm pull station at former Park Inn [07]
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Fire alarm pull station at former Park Inn [06]
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Fire alarm pull station at former Park Inn [05]
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Fire alarm pull station at former Park Inn [04]
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Fire alarm pull station at former Park Inn [03]
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Fire alarm pull station at former Park Inn [02]
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Fire alarm pull station at former Park Inn [01]
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Fire alarm horn/strobe and pull station at East Liberty Presbyterian Church
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Fire alarm chime and strobe at Geisinger Community Medical Center
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Fire alarm bell and strobe at Geisinger Community Medical Center
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Fire alarm at Primanti Bros. [02]
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Fire alarm at Primanti Bros. [01]
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Fire alarm at Philadelphia Habitat ReStore [02]
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Fire alarm at Philadelphia Habitat ReStore [01]
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Fire alarm at 6 North Railroad Street
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Fire alarm at 6 North Railroad Street
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Fire alarm at 2200 Hamilton Street [04]
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Federal Signal SD-10 at Cumberland Valley Hose Company
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Fedelcode Model 5 in Chambersburg, Pennsylvania
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CWSI wireless pull station